Finding the Third Proportional to 116,123 and 268,815

Step by Step Solution

1. Step 1: Write the proportion equation
   116,123 : 268,815 = 268,815 : x
2. Step 2: Convert to fraction form
   116,123/268,815 = 268,815/x
3. Step 3: Cross multiply
   116,123x = 268,815 × 268,815
4. Step 4: Simplify right side
   116,123x = 72,261,504,225
5. Step 5: Solve for x
   x = 72,261,504,225/116,123
6. Step 6: Final answer
   x = 622,284.17